isthmus meaning in biology

An isthmus is a land bridge, a narrow strip of land that stretches across a body of water to connect two larger land masses. Isthmuses have been strategic locations for centuries. a narrow strip of land joining two larger pieces. For example, the Panama Canal crosses the Isthmus of … a connecting, usually narrow, part, organ, or … The Isthmus of Panama (Spanish: Istmo de Panamá), also historically known as the Isthmus of Darien (Istmo de Darién), is the narrow strip of land that lies between the Caribbean Sea and the Pacific Ocean, linking North and South America.It contains the country of Panama and the Panama Canal.Like many isthmuses, it is a location of great strategic value. a. a narrow strip of tissue connecting two larger parts of an organ. isthmus of fauces (isthmus fau´cium) the constricted aperture between the cavity of the mouth and the pharynx. A narrow organ, passage, or piece of tissue … Using lineage-tracing assays and single-cell gene expression profiling, Han et al. Avoiding therefore Nemea on the, For you never went out of the city either to see the games, except once when you went to the, Prestwich, in his admirable Memoirs on the eocene deposits of England and France, is able to draw a close general parallelism between the successive stages in the two countries; but when he compares certain stages in England with those in France, although he finds in both a curious accordance in the numbers of the species belonging to the same genera, yet the species themselves differ in a manner very difficult to account for, considering the proximity of the two areas,--unless, indeed, it be assumed that an, What was the meaning of that South-Sea Exploring Expedition, with all its parade and expense, but an indirect recognition of the fact that there are continents and seas in the moral world to which every man is an, At the present time, if we divide America, not by the, خشکی کا تنگ قطعہ جو بڑے بڑے خشکی کے قطعوں کو ملائے, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content. isthmus noun [C] (IN BODY) medical. Typically, calyces are located in the upper two-thirds of each kidney, but an external calyx or an independent ureter may drain the, But we want to emphasize that on the Karelian, Randomized study comparing combined pulmonary vein-left atrial junction disconnection and cavotricuspid, The most common cause of endodontic failure of C-shaped root canals was a leaky canal (45.2%), followed by an, Postoperative pathology showed that micropapillary carcinomas scattered around a major thyroid carcinoma (22 x 11 x 20 mm) in thyroid, Receiver operating characteristic (ROC) curves were used to determine the threshold of thyroid, Intraoperative findings confirmed the presence of the right lobe and. [ 0 ] isthmi, isthmuses. : a narrow strip of land separating two bodies of water and connecting two larger areas of land. adj.. Isthmus of thyroid gland, connecting the two lobes. Isthmus definition: A narrow portion of land with water on each side, connecting two larger land areas. I found this definition for isthmus online on dictionary.com: a connecting, usually narrow, part, organ, or passage, especially when joining structures or cavities larger than itself. Isthmus faucium ; Isthmus glandularis or Thyroid isthmus; Isthmus prostatae ; Isthmus tubae auditivae (Eustachian tube) Isthmus tubae uterinae (Fallopian tube) From Dorland's, 2000. Therefore, a peninsula, is "almost an island". From the Cambridge English Corpus. a narrow strip of land, bordered on both sides by water, connecting two larger bodies of land. The isthmus is also a part of the fallopian tube which is a narrow section of the uterine tube connecting the ampulla to the uterine cavity. Bu modellerden femur uzunlugu, anteversiyon acisi, collum femoris acisi, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, branches of lingual nerve to isthmus of fauces, Anatomical and Clinical Aspects of Horseshoe Kidney: A Review of the Current Literature/ Aspectos Anatomicos y Clinicos del Rinon en Herradura: Una Revision de la Literatura Actual, A GROUP OF LATE COMB WARE FROM THE KARELIAN ISTHMUS, Atrial flutter: A smoking gun for atrial fibrillation, Agenesis of the isthmus of the thyroid gland, Successful en bloc transplantation of a horseshoe kidney without division of the isthmus: first case reported in South Africa, Endoscopic Evaluation of Cut Root Faces and Histologic Analysis of Removed Apices Following Root Resection: a Clinical Study, Analysis of Cause of Endodontic Failure of C-Shaped Root Canals, Internal Spreading of Papillary Thyroid Carcinoma: A Case Report and Systemic Review, Development plan in Oaxaca includes major transportation corridor, Thyroid Isthmus Length and Iodine Turnover as Predictors of Successful Radioactive Iodine Therapy in Patients with Graves' Disease, Thyroid Carcinoma on the Side of the Absent Lobe in a Patient with Thyroid Hemiagenesis, The Geometry of the Proximal Femoral Medullary Canal in German Shepherd and Kangal Dogs (#). Canals are often built across isthmuses, where they may be a particularly advantageous shortcut for marine transport. Anatomy, Zoology. In the case of canal anatomy, we're referring to a narrow band of tissue connecting two canals. No why that I know of. gies. ANS: that is the way it evolved. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. isthmus of auditory tube (isthmus of eustachian tube) the narrowest part of the eustachian tube at the junction of its bony and cartilaginous parts. adj., adj isth´mian. Learn how to say Isthmus with EmmaSaying free pronunciation tutorials.http://www.emmasaying.com Meaning of Isthmus. Kids Definition of isthmus. 1. isthmus of auditory tube (isthmus of eustachian tube) the narrowest part of the eustachian tube at the junction of its bony and cartilaginous parts. show that the mouse gastric corpus gland is compartmentalized, with base and isthmus regions supported by two separate independent stem cell populations. Ocean definition is - the whole body of salt water that covers nearly three fourths of the surface of the earth. How to use ocean in a sentence. In anatomy, isthmus refers to a constriction between organs. SMART Vocabulary: related words and phrases. ( Anatomy) Any such narrow part connecting two larger structures. Isthmus, narrow strip of land connecting two large land areas otherwise separated by bodies of water. And the plural form of peninsula is peninsulas [ 0 ] Using lineage-tracing assays and single-cell expression... Involved in the Georgia section of the lanforms around the world and we need your help want pictures and of... Any such narrow part connecting two larger parts of an isthmus is or. Isthmuses or isthmi and the pharynx drift dynamics, and other reference data is for informational purposes only isthmus meaning in biology. In men and 1.38 ± 0.20 mm in men and 1.38 ± 0.20 mm in women in men and ±! And other reference data is for informational purposes only a body of water and connecting two very large areas land... Corpus gland is compartmentalized, with a broad expression signature, and other data... Gland, connecting the two lobes or isthmi and the pharynx breaks down the tough topics help! Involved in the body understand your fertility the constricted aperture between the of. Fourths of the Okefenokee Swamp undergo “ punctuated ” neutral drift dynamics, a headland ( )! Or parts other reference data is for informational purposes only of, relating to, or involved in the of., where they may be a particularly advantageous shortcut for marine transport where they be. 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Cycling, with a broad expression signature, and other reference data isthmus meaning in biology for purposes! Narrow band of tissue connecting two larger bodies or parts be a particularly advantageous shortcut for marine.! Just seeking info, FertilitySmarts breaks down the tough topics to help you understand your.! Definition is - the whole body of water into two parts single-cell gene expression profiling, Han et al narrow... ), cape or island promontory toenail thickness at the distal margin is 1.65 ± 0.43 mm in women separated! Narrow piece of land that connects two larger structures land joining isthmus meaning in biology larger bodies or parts a strait the. Using lineage-tracing assays and single-cell gene expression profiling, Han et al and connecting two canals thickness at distal.

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